import pandas as pd

# df = pd.read_csv("property-data.csv")

missing_values = ["n/a", "na", "--"]
df = pd.read_csv("property-data.csv", na_values=missing_values)

print(df)
print(df["NUM_BEDROOMS"])
print(df["NUM_BEDROOMS"].isnull())

# df.dropna(inplace=True)
# df.dropna(subset=["ST_NUM"], inplace=True)
df.fillna(method="ffill", inplace=True)
# df.fillna(df.mean(), inplace=True)
print(df)
